Machine for coating tiles, &amp;c.



' F. E. GOLDISMITHQ MACHINE FOR COATING TILES, 6m.

APPLICATION FILED DEC. 2, 1908.

Patented Aug. 20, 1912.

Attorney a STATES PATENT orsion.

FREDERICK E. GOIIDSMITH, OF HAMILTON, OHIO, ASSIGNQR TO' THE CERAMICMACHINERYCOMPANY, OI HAMILTON, OHIO.

MACHINE FOR COATING TILES, 85o.

Specification of Letters Patent.

Patented Aug. 20, 1912.

Application filed December 2, 1908. Serial No. 465,589.

To all whom it may concern:

Be it known that I, FREDERICK E. Gono- SMITH, citizen of the UnitedStates, residing at Hamilton,'-Butler county, Ohio, have inventedcertain new and useful Improvements in Machines for Coating Tiles, &c.,

of which the following is a specification.

.This invention, pertaining to machines for coating tiles 620. will bereadily under:

stood from the 'following'description taken in connection with theaccompanying drawvat 4 by being fed thereinto through supply opening 5,the level of the, coating material in the vat being determined by theheight of adjustable end-gate 6. The tile then moves forward over roll7, suppliedwith coating material from the overflow at endgate 6 and thenpasses over air-blast pipe 8 to intermediate apron 9, of suflicientlength to satisfactorily dry the tile, the tile then passing overmottling rolls l0 and 11 more or less immersed in coating material intank 12 supplied through opening 13 and having its level regulated byend-gate 14, the tile then being carried away on discharge apron 15.

All the rolls and aprons are to be continuously driven by power, -Therolls illus trated, with the exception of roll 10, are of the knownloose eccentric foraminous shell type, in which type of rolls thecoating material carried up in the first lunar space between the .coreand the shell becomes expressed upwardly through the shell and deliveredto the lower face. of the tile, the

effect is to be produced upon thetile.

capable in dealing with certain classes of coating material; of yieldinga thicker coats ing than could otherwise be done with that I material.hen the-coating rolls 2 and 3 act after'the manner of true coatingrolls,

andregardless of whether there be one or more of these rolls, end-gate 6will be com paratively low and the rolls in vat 4 be but partiallyimmersed.

The coating produced by'rolls 2 and 3, owing to the rather heavycharacter of the work done by them, ,is quite apt, with some charactersof c'oatingmaterial, to leave the work-. more or less rough or pitted.Roll 7 acts as afinishing roll to cure defects." It is less liberallysupplied with coating material than rolls 2 and 3 and its coveringshould be finer. As the rear corner of the tile leaves finishing roll 7there may be, in some cases, a tendencyfor the corner to accu1nulate anexcess amount-of coating material. The air-pipe 8, in addition to thegeneral drying ofthe surface of the tile as it passes over it, serves toblow rearward on the surplus coating material in'quest'on and cause thatsurplus to 1% taken up by'roll 7 or, to

put it in other words, the air-blast, in connection with the rear cornerof the tile, resists the delivery'of an excess quantity of coatingmaterial by the roll.

The balance of the mechanism is to be employed only in case a secondaryor mottling Rolls 10 and 11 produce such spotting or mottling effect asis desired. One .mottling roll alone will accomplish this result but theelfect will be mechanical, mathematical and unbe'autiful when a numberof the mottled tiles are placed in association. In the present caserolls 1 0 and 11, regardless of whether, their mottling elementsarealike or diiferent, are

different in diameters and construction, roll 10 being an ordinarymottling roll, while roll'll is of the eccentric loose-shell type, the

shell being free to swing and turn and slip more or less independent ofits core. result is that the mottling produced by the conjoint action ofthe two mottling rolls is The rolls in vat 4, no matter how many theremay be of them, are to be abandoned as coating rolls and, if employed,are to be employed simply as carrying agents. Endgate .6 is to be raiseduntil the level of the coating material in vat 4 will be constantlymaintained above the level of the to s of the rolls in the vat. The tilethen sli es, so to speak, over alake of the coating material and takeson the coating by reason of direct contact with the material in the vat,the rolls in the vat, or any substitute for those rolls, acting as merecarriers to advance the tile over the coating material.

I claim:

1. In coating mechanism, a trough, a roll therein, and an evening rollerand means for supplying coating material to the evcner..

2. In coating mechanism, a trough, a roll therein, and an evening rolladjacent to the trough and means for supplying coating material to theevener.

3. In coating mechanism, a trough, a roll therein, means for supplyingcoating material to the trough, and a roll outside the trough arrangedto receive overflow coating from the trough.

4. In coating mechanism, a trough, a roll therein, and an adjustablegate for regiilating the level of the coating material in the trough.

5. In coating mechanism, a trough. a plurality of rolls therein, and anadjustable gate for regulating the level of the coating material in thetrough.

(J. In coating mechanism, a trough, a carrying roller therein, and meansfor continuously supplying coating material to the trough in excess ofthe amount required for use, and means for maintaining the level of thecoating material at substantially the height of the upper face of theroll.

7. In coating mechanism, a trough, means for continuously supplyingcoating material to the trough, means for varying the height of coatingmaterial therein, and a coating device in the trough for applyingcoating to tiles or the like passing over the trough. I

8. In coating mechanism, a coating device,

means for passing objects to be coated across the device, and apneumatic device for removing excess coating material from the ob-'ects.

J 9. In mechanism for coating tiles and similar objects, the combinationof a coating device, a mottling device and means for passing separatedobjects tobe coated in contact with the two devices.

10. In mechanism for coating tiles and similar objects, device, anindefinitely variable mottling device and means for to be coated incontact successively with said devices.

the combination of a coating passing separate objects 11. In mechanismfor coating tiles and similar objects, the combination of a coatingdevice, a mottling roll and means for passing separate objects to becoated in contact with the device and roll.

12. In coating mechanism, a mottling appliance comprising a cylindricalbody having a configurated surface, positive drivin means therefor,having a configurated surface, non-positive means for driving the lastnamed body, and means for supplying coating material to said bodies.

13. In coating mechanism, a mottling device comprisinga cylinder, animperforate shell hinging eccentritally upon the cylinder, and a raiseddesign on the exterior of the shell.

a second cylindrical body 14. In coating mechanism. the combination oftwo mottling rolls each provided with a fixed design, and means fordriving the rolls variably in relation to each other.

15. In coating mechanism, the combination of a coating device, anevening device, means for removing excess coating from objects coated bythe coating device. a mottling device, and means for continuouslyconveying objects to be acted upon by said devices.

16. A process of mottling, consisting in applying coating material to anobject in a fixed design and again applying coating ma terial to theobject in a fixed design Without regard to the position of the twodesigns with relation to each other.

17. The process of coating, consisting in applying coating material toan object in a fixed design and then applying coating material to theobject in another fixed design withoutregard to the relative positionsof the two designs.

18. I11 a tile coating machine. a coating v trough, means for supplyingliquid coating material to the trough, and a submerged tile supportingroller within the trough serving to guide the coat receiving face of thetile through the coating liquid, substantially as described.

19. In a tile coating machine, a coating trough, means for supplyingliquid coating material to the trough, means for adjusting the level ofcoating material in the trough, a submerged tile supporting rollerWithin the trough, and means for passing the tile over the trough withits coat receiving face in contact with the submerged support,substantially as described.

20. In a tile coating machine, a coating trough, means for supplyingliquid coating material to the trough in excess of the amount requiredfor use, and a submerged roller vithin the trough serving to guide thecoat receiving face of the tile through the coating material,substantially as described.

21. A tile coating machine comprising a surge: Y

coating trough, a roller therein entirely submerged in a coating medium,and means for passing tile over said roller so that its lower surface issubjecte to the coating surface.

22. In machines Ior coating tile and the like, the combination of aplurality of coating rolls, means for revolving the rolls in the samedirection, a trough beneath the rolls, and means for supplying coatingmaterial to the trough so that the rolls are in contact 7 therewith andin excess of the amount required for coating.

23. In coating mechanism, the combination of a trough, a roll therein,means for rotating the roll, means for maintaining fluid coatingmaterial in the trough at approximately the level of the upper face ofthe roll, and means for supplying objects to be coated tothe roll andremoving them therefrom. I

24.'In coating mechanism, the combination of a trough, a plurality ofrolls there in, means for rotating the rolls in the same direction,means for maintaining fluid coating material in the trough atsubstantially the level of the upper faces of the rolls; and means forsupplying objects to be coated to the rolls and for removing themtherefrom.

25. In a machine for coating separate ceramic objects, the combinationof a trough, a roll therein, means for supplying liquid coating materialto the trough in excess of the amount required for use, adjustable meansfor discharging coating material from the trough, means for supplyingthe objects to the roll, means on the delivery side of the trough forevening the coating on the objects and means for removing the coatedobjects.

Copies of this patent may be obtained for five cents each, Washington,D. C.

26. In a machine for coating separate ceramic objects, the combinationofa trough, a plurality of rolls therein, means for supplying coatingmaterial to 'the trough in excess of the amount required for use, meansfor adjustingthe level of coating material in the trough, means forsupplying the objects to the rolls, means on the delivery side of thetrough for evening the coating on the objects and means for removing thecoated objects.-

27. In a machine for coating separate ceramic objects such as tiles andthe like, the

combination of a trough, a roll therein,

means for supplying liquid coating material to the trough in excess ofthe amount required for use, adjustable means for discharging trough,means for supplying the objects to the roll, means on the delivery, sideof the trough for removing surplus coating from the objects and meansthe coated objects.

28. In a machine for coating separate ceramic objects such as tiles andthe like, the combination of a trough, a plurality of rolls therein,means for supplying liquid coating material to the trough in excess ofthe amount required for use, ing the coating for supplying on thedelivery side of the trough for removing surplus coating from theobjects, and means for, carrying off the coated objects. j

FREDERICK E. GOLDSMITH. Witnesses:

FREDK. BARLATT, J. P. DOUGHTEN.

by addressing the Commissioner of Patents,

the coating material from the.

the objects to the rolls, means for. carrying away

